Do I need to wait to receive receipt notices or the approval of petition for my spouse's green card before I can apply for her child or can I...

I'm on an H-1B visa and applied for I-485 (EB-2). If my AOS is denied, can I still file for H-1B extension through my employer? YES

H4 spouse should have unexpired H4 I-94 to be eligible for automatic EAD extension pending decision

Properties, relatives, job prospects, and the like in your home country

A separate I-130 and I-485 should be filed for a US citizen's step-child

A green holder who stays outside the US for over a year will be considered to have abandoned his/her LPR status. She may need to apply for an SB-1...

It depends on the nonimmigrant status you are extending

Unmarried children under 21 years of age qualify as E2 dependent

A green card holder married to and living with a US citizen spouse may qualify for US citizenship after 3 yrs

F2 visa holders are not authorized to work